Physics A periscope works on the principle of Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Simple microscope Astronomical telescope Terrestrial telescope Compound microscope Simple microscope Astronomical telescope Terrestrial telescope Compound microscope ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 70 db to 85 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP